body {
  background: url(../images/login_bg.png) no-repeat center / 100% 100%;
  padding-top: 2.66666667rem;
}
.tangle {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-width: 0 0.66666667rem 0.6rem;
  border-style: solid;
  border-color: transparent transparent rgba(245, 245, 245, 0.15);
  display: none;
}
.active .tangle {
  display: block;
}
::-webkit-input-placeholder {
  color: #fff;
}
